Out of Sync Audio/Video

In Flash CS4 my audio is running faster than my video and then about the middle the sound ends but the video keeps playing.
This is imported flv file.
I am using progressive download and external videos at 24fps.
Any help appreciated.
Thanks
Dave

Yeah sorry I confused the entire thread.
At first my videos were out of sync probably because the owner kept on sending me different video types, i.e. .mov. .m4v etc of which only the mp4 played ok after converting to .flv.
I asked him to send me only mp4 and now I converted them to flv per your instructions and everything is working ok now.
The flv's are the ones that I am using with your video gallery now and so far they are working fine. These flvs are located in folders and dynamically loaded into your video gallery using the xml file (content.xml)
Hope this clears it up or let me know. I know I am not too technical in my explanation just trying my best.
Dave

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I Have some files in HD, this files plays without problem in Quicktime,
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PLEASE HELP ME.

Ok thank you SHANE for your answers.
I didnt explain the situation complete, sorry.
This is the story:
Im a new in a MAC WORLD'S and of course in a FCP too.
I never edited in HD (HDV1080i SONY HDR-FX1)
But i have to work ...
I HAVE a G5 QUAD CORE 2.5 512 MB RAM
and i buyed final cut studio 5
I installed the FCP Version 5.1 and i dont have any problem with captures HD FILES, editing or playing in FCP version 5.1 ** BUT*
I updated FCP 5.1 to 5.1.2 and the problems appaers
only in HD 1080i FILES the audio is out of sync video in a VIEWER and CANVAS
Some people says me that problem is RAM problem (may be i ahve 512MB)
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1. May be is a configuration problem OR
2. Software problema
I hope be explicit.
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SORRY for MY English.
Gabriel

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Why there are not out of sync audio warnings in final cut x?

Not sure this is the best place to ask questions about why 'features' are not in the application, but to give you a genral answer from the manual about what I assume you are pondering:
By default, Final Cut Pro imports audio and video from the same source into one clip. You can easily detach the audio from a video clip so that you can edit the audio clip separately in the Timeline.
This means that unless you detached the audio yourself, the clip is treated as one source. If you detach it, you are own your own.
If you are wanting to request a feature of some sort for Final Cut Pro X, try this Feedback Form.
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Out of sync audio six channels

Dear All,
I have not had a problem with this before, but suddenly I have out-of-sync audio when mixing six channels in FCP. Using my Canon XL1-S, I recorded 4 channels of audio in 12 bit mode, 32 khz. I then added another two channels of audio from a separate Sony digital recorder into the FCP edit. First I set the sequence settings to 32khz and ran everything in 32 bit mode, converting all of the audio through Quicktime pro. The 4 channels from the Canon XL1-s are in perfect sync, but the two channels from the Sony digital are playing at a faster speed and are drifting as the movie progresses...the length is 1:25:00. I then went back and converted everything to 48khz and changed the Sequence settings accordingly, but the Sony audio is still drifting and playing more slowly than the other two channels. What am I doing wrong and how can I bring all of the audio together? Thanks. I'm working with FCP 6.0.6 on a Mac Pro with Snow Leopard 10.6.6. Barbara Smits

Hi -
Barbara Smits wrote:
I have not had a problem with this before,
meaning you have done this exact procedure successfully before?
but suddenly I have out-of-sync audio when mixing six channels in FCP. Using my Canon XL1-S, I recorded 4 channels of audio in 12 bit mode, 32 khz. I then added another two channels of audio from a separate Sony digital recorder into the FCP edit.
What is the format of these Sony files?
. . . the Sony audio is still drifting and playing more slowly than the other two channels.
Unless you are timecode locked between devices, it seems reasonable to me that there will be sync drift if the Sony external recorder is not locked to the video signal.
You might try selecting the Sony audio clips on the timeline and adjusting the speed slightly, such as 101% and see if that gets you closer to sync.
Hope this helps
MtD

Dropped frames or out-of-sync audio

Using Sony HDR-FX1 and FCE-HD is set to DV-NTSC. I've also tried DV-NTSC Firewire Basic. I've been trying various suggestions I've found in the Discussions to cure dropped frames that prevent me from capturing and out-of-sync audio making footage I do capture useless. Mac is running 10.4 with 5.5 GB of RAM and dual 2 GHz G5.
I'm capturing to my main hard drive which has plenty of space - when I'm done editing, I archive old footage on an external drive.
"Abort capture on dropped frames" is currently checked. Lately, this means I can't get more than a few seconds without the capture stopping. This never used to happen, now it happens all the time no matter what tapes I'm capturing from.
If I uncheck it, the audio on the captured footage is out of sync. Over time, as I've been trying to trouble shoot this using the Discussions, my projects remain unfinished and deadlines are looming sooner and sooner.
If someonce could please help me I'd be very grateful.

Hi(Bonjour)!
Did you shoot in DV or HDV ?
Did you try to capture HDV with Apple Intermediate Codec 1080i60 (or 50 for europe)?
Does you downconvert HDV shooted to DV upon capturing from camcorder ?
DV-NTSC 48 kHz is the way to go with downconverted material.
Does your DV audio setting is 16 bit on FX1 ? (HDV is a fixed one).
Michel Boissonneault

Audio out of sync with video in timeline SOLVED

The audio and video are in sync when playing .MP4 video (but may apply to other video files) in the Premiere Pro viewer and Windows Media Player and VLC however, as soon as you drag the clip into the timeline it goes out of sync. Since it took so much time for me to figure out how to get around this problem I wanted to share this, ESPECIALLY For all the people who are semi Adobe Premiere noobs (with no disrespect, I fall into this category) at this and google isn't helping to figure out why this is happening I'll give you the easy fix. For all the people in this forum who are going to ask the detailed information, codecs, etc. I'll give that as well.
FOR THE NOOBS:
All the information I've read online all seems to point that the timeline sometimes doesn't like certain audio contained in the video. It conforms incorrectly, etc. Personally, it doesn't make any sense to me. Forget all that.. you just want to get on with your project.. to heck with the details, you're tired of googling. Here's the solution I found. Extracting the audio from the problematic video file outside of Adobe Premiere. I use avconv, because it's free, open source, and you won't lose audio quality. Then linking that audio with the video in Adobe Premiere.
First if you are using a windows 32 bit computer download avconv here: http://win32.libav.org/win32/
If you are using a windows 64 bit computer download avconv here: http://win32.libav.org/win64/
go to the bottom of the page and click on the newest date version. DISCLAIMER: This is open source software. It's free. I didn't make it so I'm not trying to sell you anything.
It's a zip file so you will need to use winzip or 7zip to uncompress it. You can't just click on the installer. You can uncompress and save the program wherever you want on your computer. Say you didn't pay attention and you automatically saved it in the default spot in your downloads folder. The place you'd find the program might look like this if you're on a 64 bit computer:
C:\Users\youruseraccountname\Downloads\libav-9.7-win64 If you're on a 32 bit computer it will probably look like this C:\Users\youruseraccountname\Downloads\libav-9.7-win32
Just make sure you know where it is located and copy it down in notepad. If you can't find it, do a search on your C: drive for avconv .For this forum thread we will assume you have saved avconv in the downloads folder and you're on a 64 bit computer.
Click on the Windows key on your keyboard. Type in Run and then press enter. Type in CMD and press enter. This will open up windows command line. Don't worry, it's not as scary as you think.
Now hold down the Windows key and press E. This will open up a windows explorer window for you to find the video file you are having issues with in Adobe Premiere. Once you have found the file, copy the location of the file. So.. if your file was here: c:\Users\youruseraccount\videos\yourvideo.mp4 you would see that at the top of the windows explorer in what's called the address bar. Copy that. Paste it into your notepad.
Now switch back to the windows command line window. Now I'm going to have you type a command into the windows command line but before you do I want you to understand how to type it in.
#1. Do you know the exact path (location on your computer) where you installed avconv?
#2. Did you copy the exact path (location on your computer) where you have your video file?
If so.. type in the command below but change it with the information you have above
C:\Users\youruseraccountname\Downloads\libav-9.7-win64\usr\bin\avconv.exe -i "c:\Users\youruseraccount\videos\yourvideo.mp4" -vn -qscale 1 "c:\Users\youruseraccount\videos\yourvideo.wav"
So let's break it down so you understand and help troubleshoot any issues you may have.
C:\Users\youruseraccountname\Downloads\libav-9.7-win64 this is the example location we said we installed avconv. The actual avconv.exe program is located inside that folder so the full path would be this: C:\Users\youruseraccountname\Downloads\libav-9.7-win64\usr\bin\avconv.exe
-i just tells avconv what the input file is.
"c:\Users\youruseraccount\videos\yourvideo.mp4" is the path (location on your computer) where your video file is.
-vn just tells avconv you only want to extract audio from the video
-qscale 1 just tells avconv you want the best quality
"c:\Users\youruseraccount\videos\yourvideo.wav" just tells avconv the path (location on your computer) and the name you want to give the audio file you're taking from the video. This will save the audio wav file to the path (location on your computer) where the problematic video file is saved.
Once you have the audio wav file import it into Adobe Premiere. In the timeline, unlink the audio from the mp4 (or whatever video file you have). Highlight the now unlinked mp4 audio and delete the audio. Then bring your audio wav file you created using avconv and bring it onto the timeline at the start of the video. Now link it. Hopefully that did the trick.
If you have any questions regarding the command line or installing avconv please feel free to comment and ask. I'm pretty good at windows command line and can probably help identify what the issue is.
FOR THE INFORMED PREMIERE PRO USERS:
Here are the details of the problematic video file that I had this issue with. This is from avconv:
Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42mp41
    creation_time   : 2013-05-12 11:45:32
Duration: 01:58:28.24, start: 0.000000, bitrate: 3256 kb/s
    Stream #0.0(eng): Video: h264 (Constrained Baseline), yuv420p, 1280x720, 2997 kb/s, 25 fps, 25 tbr, 25 tbn
    Metadata:
      creation_time   : 2013-05-12 11:45:32
    Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, fltp, 256 kb/s
    Metadata:
      creation_time   : 2013-05-12 11:45:32
I don't know the type make/model video camera that was used or if it was converted before being given to me. This is just what i had to work with and the solution I found to fix it.

if you are using a windows 32 bit computer
Then you won't be using anything above Premiere Pro CS4, and this thread would be in the wrong section.
By the way, the process is significantly easier using something like Xvid4PSP, which can strip out the audio using a fairly easy to understand GUI, as wel as convert those oddball videos into something PP can handle.
http://www.videohelp.com/tools/XviD4PSP (Use version 5.)

N8 Video editor.. out of sync audio

Every time i try and join 2 or more videos taken with my N8 using the video editor, the audio gets out of sync after the first video.
Has anyone else notice this?

I'm really shocked that this issue hasn't been resolved with the Belle Update. They've made some good changes to the video editor, now allowing you to save a project before you're finished, etc. However, I can't understand how they haven't spotted and resolved this problem by now. Anyone from Nokia care to respond? This really does ruin an otherwise very promising piece of software!

Out of Sync Audio after capturing video

I have a video that I captured that the audio is in sync during the capture by using audo preview but, when view it in the view window, the words are out of
sync from her lips.
The video was recorded on my sony pd150, 48k audio, and Im using prostudio2 on my new quad core.
Havent had this problem before.
What should I check or do?
David

Double check that the audio is actually 48khz (Aud Rate) and 16bit (Aud Format). You can check this in item properties or in a browser column.
Captured clips have been known to come in with slightly skewed Aud Rates...like 47.998khz or 48.001khz, etc. If this is the case, just export as aiff 48k/16b and relink with the original video.
Might see what your Main Menu pulldown lists under...Final Cut Pro / System Settings / Playback Control / Frame Offset.
My frame offset is at '4'. This gives me sync while I'm working, but when capturing, you see it as out of sync.
K

Out of sync audio file with video

I have a audio clip that was recorded seperatly from video. I add the audio track which is voice to the video that I have of a person giving speach. I line them up where speach begins and is in sync but say 10 mins into it the clips are out of sync! They should both be in the same time but they are not, how do I fix this?

Once you've determined answers to David's queries,
you will have a better idea of ways to fix
this...i.e. if the audio rates are not aiff and
exactly 48.0Khz/16bit, you could export the audio
into a new file with those parameters and replace
current audio with this file.
Actually, I tried that last night as well after reading this forum. I sent the good audio (aif) to SoundTrack Pro and resampled the file at 48khz to match the sequence settings. Unforunately, this still did not fix the problem.
I also looked at changing the base timing rate from 29.97fps to 30, but I coudn't see a way to change this. I tried changing it from the Advanced settings from the Sequence Settings Dialog, and I can change to 30, but it then gives an error message that it cannot do that.
The idea of a speed change is one I hadn't thought of, but I am doubtful of the results. I seem to be either stuck with bad audio or arduously cutting up the audio every 5 minutes to get it back in sync at those intervals.... I wish I understood why this is happening. It doens't make sense to me.
I still think it has to do with drop frame/non-drop frame, since I was told the whole point of 29.97fps was t solve an audio sync problem. When the audio isn't coming from a video source recorded or captured at 29.97fps then we are going to have sync problems. The question is, now to get it back into sync with these external audio source files, without a lot of headache.

Burned dual layer disk w/idvd 603- audio out of sync w/video

i burned a dual layer disks with idvd 6.0.3 and the video stalls about 20secs in, and then when it uh, "unstalls", the audio and video are totally out of sync. this goes on for the whole 90 min movie. if i play a scene from the scene selection menu, it works fine. also, it works fine when i play the movie from the project file from either imovie or idvd. its only the final burned product thats affected. i tried deleting the "encoded assets" and burning it again, which didnt work, same problem. finally, i tried both disks on a settop dvd player and apple dvd player application on a few different computers.
dont know what to do. the idvd project file is working fine untill i burn a disk. the problem is only on the burned dvd. so i guess i need to trash my whole project (AGAIN!!! YAY!!!) and start over (AGAIN!!! YAY!!!). wow, ive never had so many problems with an application before in my life. i dont have much hair left to pull out.
Intel Mini 1.66/iBook 16VRAM/iPod 30GB Video Mac OS X (10.4.9) Apple Certified Desktop & Powerbook, Data Recovery, Displays, iPod Repair

Have you tried burning a disc image to the desktop yet from the file menu within iDVD6 and using apple's dvd player app to actually play said disc image?
Click here
if the image plays exactly as expected then we're looking at a media issue and not an iDVD issue. j/c ...what brand of media and type are you currently using? Verbatim & maxell are the recommended choices ....
also try lowering the burn speed within apple's disc utilities or Toast to 4x or lower.

Audio slowly drifts out of sync with video

I have a long continuous video clip (.MP4) that has an audio sample rate of 48 kHz. Separately, I have an audio clip (.mp3) for that take that was recorded at 44.1 kHz.
I created a sequence in Premiere with the .MP4 making sure the sequence's audio sample rate was set to 48. I brought the .mp3 into Audition where I used Edit > Convert Sample Type to change it to 48 kHz.
Back in Premiere, I dragged the converted .mp3 into the sequence and the audio still drifted out of sync toward the end of the clip.
Am I missing a step? How can I make sure the audio and video are in sync throughout rather than just in the beginning?

Two independent record devices will not stay perfectly synchronous over a long period of time unless locked via timecode or a sync cable.
A solution is to scroll to the end of the clips and adjust the speed of the mp3 file (making it run slightly faster or slower) until the end of the camera audio and mp3 audio coincide.
MtD

MP4 video files have out of sync audio?

When I import an MP4 video into Premiere Pro CS5.5, I noticed that while playing it the audio gradually becomes out of sync. I am unsure as to what causes this, but when I play the exact same video in an external player (like VLC) the audio is fine.
I've tried using Audition to export the audio from the video as a WAV file, but upon importing that into PP CS5.5, I discovered that it becomes much worse.
I'm not sure at this point if the audio is the issue or the video is the issue, but I'd really like an answer.
Audio settings are at 48 kHz for the audio itself and the sequence in Premiere Pro.
Thanks.

Read Bill Hunt on a file type as WRAPPER http://forums.adobe.com/thread/440037
What is a CODEC... a Primer http://forums.adobe.com/thread/546811
What CODEC is INSIDE that file? http://forums.adobe.com/thread/440037
Report back with the codec details of your file, use the programs below... a screen shot works well to SHOW people what you are doing
For PC http://www.headbands.com/gspot/ or http://mediainfo.sourceforge.net/en
For Mac http://mediainfo.massanti.com/
http://blogs.adobe.com/premiereprotraining/2011/02/red-yellow-and-green-render-bars.html
Once you know exactly what it is you are editing, report back with that information... and your project setting, and if there is a red line above the video in the timeline, which indicates a mismatch between video and project
Also, See 2nd post for picture of NEW ITEM process http://forums.adobe.com/thread/872666

Out of Sync Audio/Video

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